The article discusses the impact of fiber and fixed wireless access (FWA) on cable companies, particularly Charter [35a46be1]. It highlights the high subscriber numbers and free cash flows of telcos, which caused rallies in their stock prices. However, cable companies have experienced bad subscriber net adds for the past two years. The article argues that shorting Charter now may not be a smart move due to factors such as the prospects of fixed wireless, future financing costs, and the success of footprint expansion and upgrade initiatives. It also discusses the economics of FWA and the limitations of marketing the service to a limited number of customers. The article mentions the success of cable companies in the wireless service market and the importance of offering a complete bundle of services. It analyzes Charter's debt and valuation, stating that the company will be able to service its debt as long as earnings grow. The article concludes that Charter's earnings are durable and will likely continue to grow, making the company a good investment.